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Lufepirsen

Phase 2

Persistent Corneal Epithelial Defect | RNA therapy | Ophthalmology |Glaukos Corporation|Trials Updated: Jul 24, 2025

Lufepirsen target and mechanism

Molecular targetGJA1
Target class-Sen (Aso)
ModalityRNA therapy

Also known as lufepirsen high dose

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment84

FDA Designations

No designations recorded

Lufepirsen clinical trials

Lufepirsen · 1 trial · 1 indication

Phase 2 1
NCT05966493A Study to Evaluate the Safety and Efficacy of NEXAGON® (Lufepirsen Ophthalmic Gel) in Subjects With PCEDPersistent Corneal Epithelial Defect
RECRUITING84 Analytics
PHASE2RECRUITING
A Study to Evaluate the Safety and Efficacy of NEXAGON® (Lufepirsen Ophthalmic Gel) in Subjects With PCED
Persistent Corneal Epithelial DefectUnlock trial analytics

Study Endpoints

Primary Endpoints

Achieve Corneal Re-epithelialization Including Durability (CRC)
End of Study: 28 Days after achieving re-epithelialization

The proportion of subjects achieving corneal re-epithelialization that is maintained for a minimum of 28 days, based on assessment of corneal fluorescein staining images of the PCED by a Central Reading Center (CRC).

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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
NEXAGON® (lufepirsen ophthalmic gel) High Dose ConcentrationEXPERIMENTALLufepirsen (High dose concentration) applied topically to the eye once a week for a minimum of 4 weeks to a maximum of 8 weeks.
NEXAGON Vehicle (ophthalmic gel)PLACEBO_COMPARATORVehicle applied topically to the eye once a week for a minimum of 4 weeks to a maximum of 8 weeks.
NEXAGON® (lufepirsen ophthalmic gel) Low Dose Concentration (EU sites only)EXPERIMENTALLufepirsen (Low dose concentration) applied topically to the eye once a week for a minimum of 4 weeks to a maximum of 8 weeks. (EU sites only).

Interventions

NameTypeDescription
lufepirsen high doseDRUGLufepirsen is an unmodified connexin43 antisense oligonucleotide.
VehicleDRUGMatching vehicle without lufepirsen.
lufepirsen low doseDRUGLufepirsen is an unmodified connexin43 antisense oligonucleotide.
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Eligibility Criteria

Age Range2 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites28

Inclusion Criteria: 1. Have a PCED that is at least 2 weeks in duration and refractory to one or more conventional non-surgical standard of care (SOC) treatments 2. Have no clinical evidence of improvement in the PCED within 2 weeks prior to randomization despite the use of non-surgical SOC treatme...

Countries:United StatesGermanyItalySpain
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Frequently asked questions about Lufepirsen

What is lufepirsen?

Lufepirsen is an investigational RNA therapy being developed by Glaukos Corporation for persistent corneal epithelial defect, an eye condition in which the cornea's outer surface fails to heal. It is given as an ophthalmic gel and is currently in Phase 2 clinical development. It is not yet approved for commercial use.

What is lufepirsen used for in persistent corneal epithelial defect?

Lufepirsen is being studied as a treatment for persistent corneal epithelial defect, a condition where the corneal surface does not heal after injury or disease. The Phase 2 trial evaluates whether the ophthalmic gel can improve corneal healing in affected patients, including children as young as 2 years old.

What does lufepirsen target?

Lufepirsen targets GJA1, the gene encoding connexin 43. It is an antisense oligonucleotide, part of the -sen drug class, designed to reduce expression of that target. In persistent corneal epithelial defect, this mechanism is intended to support corneal wound healing, though the approach remains investigational.

Who is developing lufepirsen?

Glaukos Corporation, which trades on the New York Stock Exchange under the ticker GKOS, is developing lufepirsen. The company is running the Phase 2 program for the ophthalmic gel formulation in persistent corneal epithelial defect across sites in the United States and Europe.

What phase is lufepirsen in?

Lufepirsen is in Phase 2 clinical development. It is an investigational therapy and has not been approved by the FDA or any other regulatory agency. The ongoing Phase 2 study is randomized, double blind, and placebo controlled, and it is currently recruiting participants.

What clinical trials is lufepirsen in?

Lufepirsen is being evaluated in one active clinical trial, NCT05966493, titled a study to evaluate the safety and efficacy of NEXAGON (lufepirsen ophthalmic gel) in subjects with PCED. The Phase 2 trial is recruiting 84 participants across the United States, Germany, Italy, and Spain.

Is lufepirsen the same as lufepirsen high dose?

Lufepirsen high dose is an alternative name used for lufepirsen, so both terms refer to the same investigational Glaukos RNA therapy. The Phase 2 trial is placebo controlled and randomized, and it enrolls 84 participants with persistent corneal epithelial defect across four countries.